06zTree - 自定义图标（iconSkin 属性）-CFANZ编程社区

效果图：（注意ICON的图标会变化）

06zTree - 自定义图标（iconSkin 属性）_css
点击展开后变化：
06zTree - 自定义图标（iconSkin 属性）_子节点_02
代码

<!DOCTYPE html>
<HTML>
<HEAD>
  <TITLE> ZTREE DEMO - Custom Icon Skin </TITLE>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <link rel="stylesheet" href="../../../css/demo.css" type="text/css">
  <link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
  <script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.core.js"></script>
  <SCRIPT type="text/javascript">
    <!--
    var setting = {
      data: {
        simpleData: {
          enable: true
        }
      }
    };

    var zNodes =[
      { id:1, pId:0, name:"展开、折叠 自定义图标不同", open:true, iconSkin:"pIcon01"},
      { id:11, pId:1, name:"叶子节点1", iconSkin:"icon01"},
      { id:12, pId:1, name:"叶子节点2", iconSkin:"icon02"},
      { id:13, pId:1, name:"叶子节点3", iconSkin:"icon03"},
      { id:2, pId:0, name:"展开、折叠 自定义图标相同", open:true, iconSkin:"pIcon02"},
      { id:21, pId:2, name:"叶子节点1", iconSkin:"icon04"},
      { id:22, pId:2, name:"叶子节点2", iconSkin:"icon05"},
      { id:23, pId:2, name:"叶子节点3", iconSkin:"icon06"},
      { id:3, pId:0, name:"不使用自定义图标", open:true },
      { id:31, pId:3, name:"叶子节点1"},
      { id:32, pId:3, name:"叶子节点2"},
      { id:33, pId:3, name:"叶子节点3"}
    ];

    $(document).ready(function(){
      $.fn.zTree.init($("#treeDemo"), setting, zNodes);
    });
    //-->
  </SCRIPT>
  <style type="text/css">
    .ztree li span.button.pIcon01_ico_open{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/1_open.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.pIcon01_ico_close{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/1_close.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.pIcon02_ico_open, .ztree li span.button.pIcon02_ico_close{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/2.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.icon01_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/3.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.icon02_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/4.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.icon03_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/5.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.icon04_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/6.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.icon05_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/7.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
    .ztree li span.button.icon06_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/8.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}
  </style>
</HEAD>

<BODY>
<div class="content_wrap">
    <ul id="treeDemo" class="ztree"></ul>
 
</BODY>
</HTML>